A fitted multiple regression equation is Y = 12 + 3X₁ - 5X₂ + 7X₃ + 2X₄. When X₁ increases 2 units and X₂ increases 2 units as well, while X₃ and X₄ remain unchanged, what change would you expect in your estimate of Y? A)Decrease by 2 B)Decrease by 4 C)Increase by 2 D)No change in Y

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The Answer of A fitted multiple regression equation is Y = 12 + 3X₁ - 5X₂ + 7X₃ + 2X₄. When X₁ increases 2 units and X₂ increases 2 units as well, while X₃ and X₄ remain unchanged, what change would you expect in your estimate of Y? A)Decrease by 2 B)Decrease by 4 C)Increase by 2 D)No change in Y

A Fitted Multiple Regression Equation Is Y = 12